The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2004
Filed:
Sep. 20, 2000
Applicant:
Inventor:
Eugen Rapp, Berg, DE;
Assignee:
TOX Pressotechnik GmbH, Weingarten, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 3/900 ;
U.S. Cl.
CPC ...
B21D 3/900 ;
Abstract
The invention relates to a method, a tool and a punch ( ) for joining a sunken punch to one or more metal plates ( ). According to said method, in a single step, the plate or plates are deep-drawn into a deep-draw opening ( ) of a female mould or then possibly crushed so that the displaced material fixes and joins the punch ( ) to the plate or plates in a positive fit. The punch ( ) may present further possibilities for engagement for creating a connection to other components.